CN204857603U - Low -voltage moulded case circuit breaker with trouble record wave energy - Google Patents
Low -voltage moulded case circuit breaker with trouble record wave energy Download PDFInfo
- Publication number
- CN204857603U CN204857603U CN201520582085.9U CN201520582085U CN204857603U CN 204857603 U CN204857603 U CN 204857603U CN 201520582085 U CN201520582085 U CN 201520582085U CN 204857603 U CN204857603 U CN 204857603U
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- separating brake
- processing unit
- mcu processing
- circuit breaker
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- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000006870 function Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a low -voltage moulded case circuit breaker with trouble record wave energy contains switch body and intelligent control module, this internal electric operating mechanism, separating brake relay and mutual -inductor of being equipped with of switch, the intelligent control module is including exchanging sampling unit, MCU processing unit, display element and electrical unit, the mutual -inductor is connected with interchange sampling unit, and exchange sampling unit and transmit sampled signal for MCU processing unit, MCU processing unit connects display element and separating brake relay respectively, and the separating brake relay is connected and is controlled the electric operating mechanism separating brake, provides feedback signal behind the electric operating mechanism separating brake and gives MCU processing unit to trigger the wave form of the MCU processing unit record signal of telecommunication. The utility model discloses simple structure, when overload or short circuit, MCU processing unit initiatively drives separating brake relay separating brake, and the on off state shifts during the separating brake, triggers intelligent control module immediate record voltage, current waveform, realizes automatic trouble record ripples, the material resources of using manpower sparingly.
Description
Technical field
The utility model relates to a kind of low-voltage circuit breaker, particularly relates to a kind of low-pressure plastic shell circuit breaker with failure wave-recording function.
Background technology
Low-voltage circuit breaker is a kind of important control and protective switching device in low-voltage network, is used for closing, carry, cut-off the running current of operating loop, overload current and short circuit current.Along with the development of low-voltage electrical apparatus; successively the multiple products such as electronic type molded case circuit breaker, residual current action breaker, Based Intelligent Control and protection switch are there is; the function such as Based Intelligent Control, earth leakage protective is added in these products; but after there is emergency stop valve trip for circuit breaker, failure cause is failed to understand; separating brake reason cannot be judged, where is the problem; have the shortcoming being difficult to improve and take preventive measures, nowadays main employing is manually carried out investigation and is judged, wastes time and energy.
Utility model content
For the defect of prior art existence and deficiency during technical purpose of the present utility model, a kind of low-pressure plastic shell circuit breaker with failure wave-recording function is provided, facilitates staff to analyze investigation failure cause.
For realizing above-mentioned technical purpose, the technical scheme that the utility model provides is:
There is a low-pressure plastic shell circuit breaker for failure wave-recording function, it is characterized in that, comprise Switch main body and intelligent control module;
Motor-operating mechanism, separating brake relay and instrument transformer is provided with in described Switch main body;
The power subsystem that described intelligent control module comprises AC sampling unit, MCU processing unit, display unit and powers for above-mentioned each unit;
The output of described instrument transformer is connected with the input of AC sampling unit, sampled signal is passed to MCU processing unit by the output of described AC sampling unit, the output of described MCU processing unit connects input and the separating brake relay of display unit respectively, separating brake relay connects and controls motor-operating mechanism separating brake, provide after motor-operating mechanism separating brake and feed back signal to MCU processing unit, trigger MCU processing unit record electric signal waveform.
Described instrument transformer comprises Combined type current transformer.
Three current transformers that described Combined type current transformer comprises corresponding A, B, C circuitry phase is arranged and a zero sequence current mutual inductor.
The sheet external memory module that described MCU processing unit comprises LPC4350 chip and is connected with LPC4350 chip.
As preferably, described AC sampling unit is AD7656 sampling A/D chip.
The utility model breaker of plastic casing ac rated voltage is 400V and following, and rated current is less than 1600A.
Beneficial effect:
The utility model low-pressure plastic shell circuit breaker structure is simple, by intelligent control module collection record wave voltage, current waveform, when low-pressure plastic shell circuit breaker overload or short circuit, MCU processing unit active drive separating brake relay separating brake, on off state displacement during separating brake, trigger intelligent control module immediate record wave voltage, current waveform, realize automatic fault record ripple, use manpower and material resources sparingly.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model;
Fig. 2 is the schematic diagram of intelligent control module failure wave-recording process.
Embodiment
In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with drawings and the specific embodiments, the utility model is described further.
As shown in Figure 1, a kind of low-pressure plastic shell circuit breaker with failure wave-recording function of the utility model, comprises Switch main body and intelligent control module.
Motor-operating mechanism, separating brake relay, voltage transformer and Combined type current transformer is provided with in described Switch main body.
Described intelligent control module comprises AC sampling unit, MCU processing unit (micro-control unit), liquid crystal display and is the power subsystem that these three unit and other electricity consumption components and parts are powered.The input of described AC sampling unit connects the output of Combined type current transformer, voltage transformer, and the output of described AC sampling unit is connected with MCU processing unit, sampled signal is passed to MCU processing unit.The output of described MCU processing unit connects input and the separating brake relay of liquid crystal display respectively.Described separating brake relay is connected with motor-operating mechanism, is controlled the separating brake action of motor-operating mechanism separating brake relay by it.Described separating brake relay is connected with MCU processing unit, namely feeds back signal to MCU processing unit after separating brake, triggers MCU processing unit recording voltage, current waveform.
Such as, intelligent control module gathers the electric current of Combined type current transformer, when current overload or short circuit, separating brake relay is driven to make breaker of plastic casing separating brake immediately, simultaneously, intelligent control module detects that on off state remote signalling conjugates, and immediate record voltage, current waveform realize failure wave-recording function.
Described Combined type current transformer inside contains 3 current transformers and 1 zero sequence current mutual inductor, can measure the single channel electric current of A, B, C phase and measure the zero-sequence current of A, B, C, N phase, motor-operating mechanism realizes separating brake under the control of MCU processing unit.
Described AC sampling unit preferably adopts AD7656 sampling A/D chip, the sheet external memory module that described MCU processing unit comprises LPC4350 chip and is connected with LPC4350 chip.As shown in Figure 2, voltage, current input signal carry out AD conversion by sample circuit, complete collection and the storage of waveform under the control of LPC4350 chip CPU.When CPU judges that entry condition meets according to sampling, from sampling buffer memory, get data cached middle generation recorded wave file to record ripple buffer memory, record ripple cache file can be kept in sheet external memory cell S PIFlash when CPU is idle.Recorded wave file in SPIFlash can be uploaded at any time according to main website order CPU, check so that staff analyzes.
The utility model breaker of plastic casing ac rated voltage is 400V and following, and rated current is for being less than 1600A.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and the claimed scope of the utility model is defined by appending claims, specification and equivalent thereof.
Claims (6)
1. there is a low-pressure plastic shell circuit breaker for failure wave-recording function, it is characterized in that, comprise Switch main body and intelligent control module;
Motor-operating mechanism, separating brake relay and instrument transformer is provided with in described Switch main body;
The power subsystem that described intelligent control module comprises AC sampling unit, MCU processing unit, display unit and powers for above-mentioned each unit;
The output of described instrument transformer is connected with the input of AC sampling unit, sampled signal is passed to MCU processing unit by the output of described AC sampling unit, the output of described MCU processing unit connects input and the separating brake relay of display unit respectively, separating brake relay connects and controls motor-operating mechanism separating brake, provide after motor-operating mechanism separating brake and feed back signal to MCU processing unit, trigger MCU processing unit record electric signal waveform.
2. a kind of low-pressure plastic shell circuit breaker with failure wave-recording function according to claim 1, it is characterized in that, described instrument transformer comprises Combined type current transformer.
3. a kind of low-pressure plastic shell circuit breaker with failure wave-recording function according to claim 2, is characterized in that, three current transformers that described Combined type current transformer comprises corresponding A, B, C circuitry phase is arranged and a zero sequence current mutual inductor.
4. a kind of low-pressure plastic shell circuit breaker with failure wave-recording function according to claim 1,2 or 3, is characterized in that, the sheet external memory module that described MCU processing unit comprises LPC4350 chip and is connected with LPC4350 chip.
5. a kind of low-pressure plastic shell circuit breaker with failure wave-recording function according to claim 4, is characterized in that, described AC sampling unit is AD7656 sampling A/D chip.
6. a kind of low-pressure plastic shell circuit breaker with failure wave-recording function according to claim 1,2 or 3, is characterized in that, described breaker of plastic casing ac rated voltage is 400V and following, and rated current is less than 1600A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582085.9U CN204857603U (en) | 2015-08-05 | 2015-08-05 | Low -voltage moulded case circuit breaker with trouble record wave energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582085.9U CN204857603U (en) | 2015-08-05 | 2015-08-05 | Low -voltage moulded case circuit breaker with trouble record wave energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857603U true CN204857603U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520582085.9U Expired - Fee Related CN204857603U (en) | 2015-08-05 | 2015-08-05 | Low -voltage moulded case circuit breaker with trouble record wave energy |
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| Country | Link |
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| CN (1) | CN204857603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960736A (en) * | 2017-03-24 | 2017-07-18 | 平高集团有限公司 | A kind of high-voltage switch gear |
| CN111755287A (en) * | 2020-07-09 | 2020-10-09 | 江苏三口井信息科技有限公司 | Circuit breaker device with fault recording performance |
-
2015
- 2015-08-05 CN CN201520582085.9U patent/CN204857603U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960736A (en) * | 2017-03-24 | 2017-07-18 | 平高集团有限公司 | A kind of high-voltage switch gear |
| CN111755287A (en) * | 2020-07-09 | 2020-10-09 | 江苏三口井信息科技有限公司 | Circuit breaker device with fault recording performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |